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What a week last week at #Rubin2026 for NSF–DOE Rubin Observatory! 🔭🧪 Hundreds gathered in person at SLAC National Accelerator Lab and virtually to discuss science, software, and collaboration. The future of big-data astrophysics is bright and underway! See you next year! 🌌🤝💻 📷: J. Orrell/SLAC

A new view of a familiar field 🤩 Meet NSF–DOE Rubin Observatory's breathtaking view of the renowned COSMOS field🌀✨ rubinobservatory.org/news/rubin-n... 🔭🧪 🧵

Chile Storm Recovery Update: 30 July 2026 Recovery efforts continue at NSF NOIRLab’s facilities in Chile, which include NSF–DOE Rubin Observatory, after historic winter storms across the Coquimbo Region. Full recovery will take several weeks, but teams are making progress. 🔭🧪

Those stars aren't actually pointy✨ What you see around bright stars in NSF–DOE Rubin Observatory images are "diffraction spikes," created as light bends around the secondary mirror supports. The pinwheels arise from combining multiple images together. 🔭🧪 https://ow.ly/qVUo50ZuPTw

Today, we're kicking off the 2026 Rubin Community Workshop at SLAC National Accelerator Lab! #RCW2026 Over the next five days, hundreds of scientists and engineers will come together for collaboration and conversation about big-data astrophysics with Rubin. Here's to a week of sharing ideas! 🔭🧪

Talk about a cosmic glow-up✨📸 This progression of images of galaxy group RSCG 55 shows the evolution of ground-based sky surveys spanning more than three decades🤯, ending with NSF–DOE Rubin Observatory's view. 🔭🧪

📢 Calling educators who teach intro astronomy: help us better understand what you need and want when it comes to astronomy education resources! 🌌🍎 Your feedback will help us design effective tools. 🔭 🔗: https://research.rockman.com/s/educator-survey-summer-2026/tt-ttQaT 📷: A. Allen/Rockman et. al

On this day in 1928, Dr. Vera C. Rubin was born 🔭🧪 At 14, she built her first telescope out of a cardboard tube. Her work provided the first convincing evidence of dark matter, & scientists' quest to understand dark matter led to the idea that became NSF–DOE Rubin Observatory 🌌

Severe Storms Impacting NSF–DOE Rubin Observatory Operations in Chile Chile has been impacted by an exceptionally powerful storm with heavy precipitation and widespread flooding affecting the communities where many of our colleagues live. 🔭🧪☄️ 🧵

📬 You've got mail! Except "mail" is "millions of alerts from NSF–DOE Rubin Observatory every night." Rubin's alert brokers ingest, contextualize, and help scientists sort events in the public alert stream, like a cosmic “mark as important.” ⭐ 🔗: https://ow.ly/o2vT50ZoEmJ

Solar System reviews: ⭐️⭐️⭐️⭐️⭐️ ☄️Comet 3I/ATLAS: "Nice place. Just passing through." NSF–DOE Rubin Observatory captured this NOIRLab #ImageOfTheWeek on 19 Dec 2025. Rubin is expected to reveal more interstellar objects, helping scientists compare our Solar System with other systems.

Check out this view ➡️ 🤩 Cerro Pachón definitely understood the assignment. This panoramic sunset view captures NSF–DOE Rubin Observatory atop its summit site above the Chilean landscape. 🔭🧪 The night skies here are spectacular, but the mountains put on quite a show before the stars come out too 🌟

A pair of Gatos Andinos, which are extremely rare Andean mountain cats, were recently spotted down the ridge from NSF–DOE Rubin Observatory near the 4-m SOAR Telescope. 🔭🧪 Because they live in such remote mountain terrain, seeing them up close is a rare treat 🐱 📷: SOAR Day Crew

What if the Universe isn't the age we think it is? 😱 That possibility hinges on one of the biggest mysteries in astrophysics: dark energy. Meet NSF–DOE Rubin Observatory scientist Anaïs Möller, who studies exploding stars called Type Ia supernovae. 🔭🧪 youtube.com/shorts/K9qa_...

Before a night of discovery begins, there's this 🌅 NSF–DOE Rubin Observatory basks in the sunset glow in this NOIRLab #ImageOfTheWeek, captured in June 2025. Rubin's site in Chile was chosen because of its exceptional observing conditions, but it's also not a bad office view!

How it started, and how it's going ✨ Astronomy used to mean studying a single object at a time, often by eye or through early telescopes. 🔭🧪 Then came photographic plates, which let us capture the sky for later study. 🧵

Fireworks from the cosmos 🎆 Happy #FourthOfJuly! The colors in NSF–DOE Rubin Observatory's Ocean of Stars are both scientific and beautiful, and tell us about the stars' properties. Hot, massive stars burn blue-white, while cool or old stars glow red. Dive in: skyviewer.app 🔭🧪

An observatory built to see it all. NSF–DOE Rubin Observatory was built to conduct the decade-long Legacy Survey of Space and Time (LSST). Here are ten things to know about LSST! 🔭🧪 🧵

What do we mean when we say NSF–DOE Rubin Observatory will scan the sky? This visualization shows what a typical week of the 10-year survey looks like. The survey runs via a smart algorithm called a scheduler that dynamically determines where Rubin points next. 🔭🧪

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NSF–DOE Rubin Observatory's Ocean of Stars image is packed full, but where to start? Our new Skyviewer tour introduces you to some of the objects hiding in plain sight. Knowing where to look is half the fun! 🔭🧪 https://skyviewer.app/tours/ocean-get-oriented 📷: NSF–DOE RubinObs/NOIRLab/SLAC/AURA